Didn't know I could alter it. You better had, as I'd have to work out what I was doing first.
Login details for UKB Forums work on the Wiki too, if you're logged in here when you go to the Wiki you will already be logged in.
Its then just a case of clicking "Edit" on the relevant section and changing the bit you want to do.
The front page of the Wiki has a link to a "cheat-sheet" for Wiki mark-up, nothing fancy is used on any of the pages.
Changes already made.